Chemistry 2

Periodic Table and Bonding

  1. Handout: Periodic Table and Bonding Notes
  2. Periodic Properties and the Development of the Periodic Table
    1. Lab: Organizing the "elements"/moon phases.
    2. Mendeleev's First Periodic table
    3. Handout: Discovering Elements.
    4. Periodic Properties and the Structure of the Table
    5. Demo: Metal and water reactions
    6. Film: Making Glass using the Periodic Table
    7. Handout: Periodic Table
    8. Handout: Periodic Trends
    9. Homework: Periodic Properties Questions
  3. Valence Electrons
    1. Electron Configurations
      1. Handout: Orbital Energy Diagram
    2. Intro to Lewis Dot Notation
      1. Homework: For each of these elements Li, C, Mg, Cl, Kr, and Ag write the following:
        1. electron configuration - full version
        2. electron configuration - shortcut version
        3. Lewis dot diagram
  4. Strong Bonds
    1. The Role of Charge in Bond Formation
      1. Computer Lab: Electric Fields and Orbitals(How to run this?)
      2. Homework: Electric Fields and Orbitals Questions
    2. Ionic and Covalent Bonds Overview
      1. Handout: Electronegativity Tables
      2. Computer Lab: Types of Bonds(How to run this?)
      3. Homework: By using the the electronegativity table:
        1. Determine what kind of bond will form between the following pairs of atoms: Na and Cl, C and O, Ca and F, N and N. Indicate if each pair will form an ionic bond or a covalent bond.
        2. For each pair draw an outline showing how the orbitals around each atom are distorted by the other atom's electronegativity.
        3. Indicate if electrons are shared evenly, unevenly, or very unevenly to the point of transferring an electron from one atom to another.
    3. Ionic Substances
      1. Film: Bonding Basics
      2. Lab: Build Ionic Substances with Gumdrops
      3. Homework:
        • Pick any two elements from column 1 and write their electron configurations.
        • Pick any two elements from column 16 and write their electron configurations.
        • Using your examples from #1 and #2 explain why elements in column 1 tend to form +1 charged ions while elements in column 16 tend to form -2 charged ions. (Be sure to talk about ionization energy, electronegativity, and the most stable number of valence electrons.)
        • What would be the formula for the ionic compound formed between the following elements:
          • Magnesium and oxygen
          • Lithium and sulfur
          • Calcium and fluorine
          • Aluminum and Sulfur
    4. Molecular Substances
      1. Film: Bonding and Electrons.
      2. Handout: eChem guide sheet
      3. Handout: Using Jmol Guide
      4. Homework: When forming covalent bonds, atoms of elements in the same column tend to form the same number of covalent bonds.
        1. Pick two elements from column 14 and write their electron configurations.
        2. Pick two elements from column 15 and write their electron configurations.
        3. Using your examples from #1 and #2, explain why elements in column 14 tend to form 4 covalent bonds and elements in column 15 tend to form 3 covalent bonds. (Be sure to talk about the most stable number of valence electrons.)
      5. Lewis Dot Structures - Understanding Molecular Structure
        1. Handout: Electron Dot Introduction
        2. Homework: Electron Dot Practice Sheet 1 and Electron Dot Practice Sheet 2
      6. Shapes of Molecules
        1. Homework: Do #1 from the Exploring Molecular Shapes Guide.
  5. Handout: Periodic Table and Bonding Review Sheet (part of the mid-year review packet)